Submersible respirometer

Details Submersible respirometer Submersible respirometer

1980-08-29

1982-02-09

Fisher, Richard V.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

73 19, 422 79, 435291, 435807, C12K 134, G01N 700

Patent

active

043149693

ABSTRACT:
A submersible recording respirometer includes an oxygen analyzer which measures the concentration of oxygen absorbed by a wastewater sample contained in an aeration chamber. The aeration chamber forms part of a housing which is submerged in the main body of wastewater and the aeration chamber is periodically drained, washed with fresh water and refilled with another wastewater sample. This cycle is accomplished automatically under the direction of a microprocessor-based control circuit which generates signals to a chart recorder that provides a hard copy of the measurement results.

REFERENCES:
patent: 3731522 (1973-05-01), Mikesell
patent: 3740320 (1973-06-01), Arthur
patent: 3942792 (1976-03-01), Topol

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